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• W18023071 abstract "The Surrey Space Centre (SSC) has led the way in demonstrating the utility of microsatellite size spacecraft for research, humanitarian, commercial, and military applications. SSC recognises that cost effective propulsion technology for small spacecraft is an enabling technology for expanding the utility of these assets and has been actively researching this field since 1993. This paper provides an overview of propulsion research and development at the Surrey Space Centre. The paper will summarise SSC goals for small spacecraft propulsion technology and link them to areas of propulsion research past, present and future. A review of Surrey’s propulsion history to include hybrid, monopropellant, cold gas and resistojet technology is presented. Design and integration of SSC cold gas and resistojet technologies on flight spacecraft will also be covered with an emphasis on the SSC low cost approach to qualification, integration and operation of these systems. These topics will be followed by a discussion of areas that are currently being investigated for near term research, specifically, H2O2 long term storage, expulsion, catalysis, “Green” monopropellant and hybrid technology utilising both N2O and H2O2. One topic covered in detail is a novel alternative geometry hybrid rocket motor. This motor is currently under development to provide a low-cost, intrinsically-safe and easy to integrate orbital upper-stage for small spacecraft. A prototype motor has been constructed and test results are presented. SSC Propulsion Philosophy Propulsion research at the Surrey Space Centre (SSC) has been ongoing since 1993. The result of these research efforts culminated with the flight of two new propulsion systems onboard the 350kg SSC Minisatellite UoSat-12 in April of this year. SSC has enjoyed enormous success by taking a measured approach to every aspect of small spacecraft engineering, spanning the spectrum from basic research to flight operations. Propulsion research, like every other spacecraft related discipline at SSC, works towards achieving the common goal of “affordable access to space”. The SSC propulsion goals are to develop technologies that provide viable, cost effective propulsion solutions, directly applicable to realworld, small spacecraft applications. In addition, there is an emphasis placed on the low cost nature of SSC missions, life-cycle environmental and safety issues, and the optimisation of systems only when necessary. Of course optimisation has mass, volumetric and performance benefits, but in the secondary spacecraft arena, these aspirations can be at odds with the SSC goal of keeping space access affordable. Environmental and safety aspects of SSC propulsion receive priority because they are recognised as cost drivers and not just industry “buzz” phrases. Propulsion research at SSC is conducted in a university environment where the infrastructure costs for dangerous and environmentally damaging fuels and oxidisers is prohibitive. In addition, export, shipping and launch preparation costs are all reduced by using propellants that are of lower danger to the environment and personnel. SSC Propulsion History SSC began it’s first research project devoted to propulsion in 1993.1 This research focused on quantifying all elements of propulsion system cost. The research program provided an in-depth analysis of how to calculate true propulsion system cost" @default.
• W18023071 created "2016-06-24" @default.
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• W18023071 date "1999-01-01" @default.
• W18023071 modified "2023-09-26" @default.
• W18023071 title "Low Cost Propulsion Development for Small Satellites at the Surrey Space Centre" @default.
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